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发明名称
Brace means
摘要
申请公布号
US2246960(A)
申请公布日期
1941.06.24
申请号
US19400355585
申请日期
1940.09.06
申请人
TYSON GEORGE W
发明人
TYSON GEORGE W.
分类号
A63J1/02
主分类号
A63J1/02
代理机构
代理人
主权项
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